If you know that only the third column might contain whitespace, you can split each line, and then join the cells from the third to the last but one.

for (@lines) {
    my @cells = split;
    my $time  = join ' ', @cells[2 .. $#cells - 1];
    $table->addRow(@cells[0, 1], $time, $cells[-1]);
}
[download]